Re: [PATCH v2] perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
From: Will Deacon <will@kernel.org>
Date: 2023-08-15 14:11:58
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linux-acpi, linux-arm-kernel, lkml
On Mon, 14 Aug 2023 20:40:12 +0800, Yicong Yang wrote:
From: Yicong Yang <yangyicong@hisilicon.com> Some HiSilicon SMMU PMCG suffers the erratum 162001900 that the PMU disable control sometimes fail to disable the counters. This will lead to error or inaccurate data since before we enable the counters the counter's still counting for the event used in last perf session. [...]
Applied to will (for-next/perf), thanks!
[1/1] perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
https://git.kernel.org/will/c/0242737dc4eb
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
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